Technical Paper
Life Cycle Inventories of Conventional and Alternative Automobile Fuel/Propulsion Systems:Summary and Conclusions
2000-04-26
2000-01-1504
Unless emissions of pollutants and greenhouse gases (GHG) are stringently regulated or gasoline prices more than double, gasoline powered internal combustion engines will continue to dominate the light duty fleet. ...CNG cars have low emissions, including GHG and the fuel is less expensive than gasoline. Biomass ethanol can be renewable and have no net carbon dioxide (CO2) emissions.